Definition of "Switch" :
noun: the act of changing one thing or position for another
"His switch on abortion cost him the election."
noun: a basketball maneuver; two defensive players shift assignments so that each guards the player usually guarded by the other
noun: a flexible implement used as an instrument of punishment
noun: control consisting of a mechanical or electrical or electronic device for making or breaking or changing the connections in a circuit
noun: railroad track having two movable rails and necessary connections; used to turn a train from one track to another or to store rolling stock
noun: hairpiece consisting of a tress of false hair; used by women to give shape to a coiffure
noun: an event in which one thing is substituted for another
verb: reverse (a direction, attitude, or course of action)
verb: change over, change around, as to a new order or sequence
verb: make a shift in or exchange of
"First Joe led; then we switched."
verb: lay aside, abandon, or leave for another
"Switch to a different brand of beer."
verb: flog with or as if with a flexible rod
verb: cause to go on or to be engaged or set in operation
"Switch on the light."
verb: exchange or give (something) in exchange for